Shelly 1PM Gen4

The Shelly 1PM Gen4 is a compact smart relay switch with built-in power monitoring, designed to give you full control and real-time energy tracking for appliances up to 16A. With support for Wi-Fi, Bluetooth and Zigbee, and also Matter-certified, you can integrate it into a wide range of smart home systems without needing a hub – including Home Assistant!

Built on the Gen4 platform, the Shelly 1PM Gen4 delivers multiprotocol connectivity (including Zigbee), faster performance, lower latency, and enhanced security with TLS 1.2 encryption. The Zigbee functionality acts as a Zigbee range extender, whilst the Bluetooth connection can be used as a Bluetooth Gateway for Shelly BLU sensors.

You can manage it locally or via the cloud using the Shelly Smart Control app, and if you’re more advanced, it supports scripting, MQTT, REST, inbound/outbound web sockets, KNXnet/IP communication and more. The Built-in over-temperature protection adds another layer of reassurance, and its compact design fits easily behind your wall sockets or switches (depending on the depth of your back boxes).

You may require a Zigbee gateway for your home automation system to use this device with Zigbee in your home automation system. Check out our Zigbee section for some great USB options, many of which are Raspberry Pi-compatible.

Note: You may require a neutral wire to use this product. Please research the device and your home wiring (safely, see below) before purchasing.

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⚠️Caution – Read Before Buying⚠️

• Before beginning the installation, please read this guide and any other documents accompanying the device carefully and completely
• Danger of electrocution. The mounting/installation of the device should be performed by a qualified person (electrician)
• Failure to follow the installation procedures could lead to malfunction, danger to your health and life, violation of the law or refusal of legal and/or commercial guarantee (if any)
• Allterco Robotics (makers of Shelly products) and Mann Enterprises LTD are not responsible for any loss or damage in case of incorrect installation or improper operation of this device due to failure to follow the user and safety instructions in the printed guide accompanying this product (also available in the resources section below)
• Do not connect the device to appliances exceeding the given max load.
• Use the device only with a power grid and appliances which comply with all applicable regulations. Short circuit in the power grid or any appliance connected to the device may damage the device.
• Before starting, wire check that the breakers are turned off and there is no voltage on their terminals. This can be done with a phase meter or multimeter. When you are sure that there is no voltage, you can start wiring the cables.

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Features

• New! Multiprotocol connectivity: Choose from Bluetooth, Wi-Fi or Zigbee.
• New! Matter certified.
• New! Wi-Fi, Zigbee range extender & Bluetooth gateway
• 16A load capacity
• Real-time power monitoring
• Gen4 platform with enhanced performance and security
• Home Assistant integration
• Low and high voltage support
• Perfect to retrofit behind existing switches and sockets
• Supports schedules, scenes and local actions
• Supports scripting, HTTPS, MQTTS, Inbound and Outbound Web Sockets
• Supports virtual components
• Supports KNXnet / IP communication
• Internal temperature sensor for overheating protection
• No hub required! Easy control through the Shelly Smart Control app, most platforms and protocols, as well as voice assistants. Use it with Alexa, Siri, Home Assistant, Apple Homekit or your preferred automation platform.

Specifications

Size (HxWxD)	37x42x16 mm
Weight	27 g
Screw terminals max torque	0.4 Nm
Conductor cross section	0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules)
Conductor stripped length	6 to 7 mm
Mounting	Wall console
Shell material	Plastic
Shell colour	Red
Terminals colour	Grey (Mouse Grey)
Ambient working temperature	-20 °C to 40 °C
Humidity	30 % to 70 % RH
Max. altitude	2000m
Power supply	110-240 V~
	24-30 V⎓
Power consumption	< 1 W
Neutral not needed	No
External protection	Cable protection switch in accordance with EN60898-1 (tripping characteristic B or C, max. 16 A rated current, min. 6 kA interrupting rating, energy limiting class 3)
Max. switching voltage	240 V~
	30 V⎓
Max. switching current	16A (240 V~)
	10A (30 V⎓)
Voltmeter (AC)	Yes
Ammeter (AC)	Yes
Internal-temperature sensor	Yes
Wi-Fi
Protocol	802.11 b/g/n
RF band	2412 – 2472 МHz
Max. RF power	< 20 dBm
Range	Up to 30m indoors Up to 50m outdoors
	(Depends on local conditions)
Bluetooth
Protocol	5
RF band	2402 – 2480 MHz
Max. RF power	< 4 dBm
Range	Up to 10m indoors Up to 30 m outdoors
	(Depends on local conditions)
Zigbee
Protocol	802.15.4
Zigbee repeater	Yes
RF bands	2400 to 2483.5 MHz
Max. RF power	< 20 dBm
Range	Up to 100m indoors Up to  300m outdoors
	(Depends on local conditions)
Microcontroller unit
CPU	ESP-Shelly-C68F
Flash	8MB
Firmware capabilities
Schedules	20
Webhooks (URL actions)	20 with 5 URLs per hook
Scripting	Yes
MQTT	Yes

Resources

• Shelly Product Documentation
• Printed User Guide (as found within the package)
• Components and APIs
• Declaration of Conformity
• Device Identification
  • Device name: Shelly 1PM Gen4
  • Device model: S4SW-001P16EU
  • Device SSID: Shelly1PMG4-XXXXXXXXXXXX
  • Device Bluetooth ID: 0x1029
• EAN: 3800238070717

Handy Shelly Resources

• Shelly Cloud
• Shelly App
  • Apple App Store
  • Google Play
  • Huawei AppGallery
• Home Assistant Shelly Integration
• Shelly Community Forum
• Shelly Facebook Support Group
• Shelly Knowledgebase
• Shelly Device Finder (easy-to-use software to find Shelly devices in the local network)
• Shelly Developer API

Package Contents

• 1x Shelly 1PM Gen4
• 1x Printed user guide